component
RT4812GJ8F
Public Made by Adomby adom
Richtek Tech DC-DC Converters, TSOT-23-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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rt4812gj8f: specified limits as data (metadata.characteristics, 30 rows from the datasheet)
2 files changed
+405−1
README.md+37@@ -26,6 +26,43 @@ RT4812GJ8F from Richtek Tech, in a TSOT-23-8. Pinout and pin descriptions extrac | Category | Power Management (PMIC) | | Pins | 8 | +## Electrical characteristics++Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).++| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |+|---|---|---|---|---|---|---|---|+| Supply Voltage | VIN | 1.8 | | 5.5 | V | VIN vs VOUT, 0.2V margin (comparison operators lost in extraction) | 5 |+| Output Voltage | VOUT | 1.8 | | 5.5 | V | VIN vs VOUT, 0.2V margin (comparison operators lost in extraction) | 5 |+| Under-Voltage Lockout Rising Threshold | UVLO_RISE | 1.5 | 1.65 | 1.8 | V | | 5 |+| Under-Voltage Lockout Falling Threshold | UVLO_Falling | 1.3 | 1.55 | 1.7 | V | | 5 |+| FB Voltage | VFB | 0.495 | 0.5 | 0.505 | V | Force PWM | 5 |+| Regulated DC VOUT Voltage | VOUT | 2 | | 4 | % | 1.8 VIN VOUT 0.2V (comparison operators lost in extraction), IOUT = 0mA (PSM) | 5 |+| Shutdown Current | ISHDN | | 0.1 | 1 | μA | EN = 0V | 5 |+| Average Output Current Limit | ILIM | 1 | | | A | ILIM = L | 5 |+| Average Output Current Limit | ILIM | 2.1 | | | A | ILIM = H | 5 |+| FB Pin Input Leakage | IFB | -1 | | 1 | μA | | 6 |+| Leakage of SW | ISW | | | 5 | μA | All switch off | 6 |+| Line Regulation | VOUT, LINE | -2 | | 2 | % | VIN = 2.7V to 4.5V, VOUT = 5V, IOUT = 1500mA | 6 |+| Load Regulation | VOUT, LOAD | -1.5 | | 1.5 | % | CCM, IOUT 2A (operator lost in extraction), VIN = 3.6V, VOUT = 5V | 6 |+| Output Over Voltage Protection | VOVP | 5.8 | 6 | 6.2 | V | | 6 |+| EN Input Low Voltage | VIL | | | 0.4 | V | | 6 |+| EN Input High Voltage | VIH | 1.2 | | | V | | 6 |+| EN Sink Current | | | 0.1 | 1 | μA | | 6 |+| Input/Output Pin Voltage (VIN, FB, ILIM, EN, SW to GND) | | -0.2 | | 6 | V | to GND | 5 |+| VOUT to GND | | | | 6.2 | V | to GND | 5 |+| Power Dissipation | PD | | | 1.78 | W | TSOT-23-8 (FC), TA = 25C | 5 |+| Lead Temperature (Soldering) | | | | 260 | °C | 10 sec. soldering | 5 |+| Junction Temperature | TJ | -65 | | 150 | °C | | 5 |+| Storage Temperature Range | TSTG | -65 | | 150 | °C | | 5 |+| ESD Susceptibility HBM | | | | 2 | kV | HBM (Human Body Model) | 5 |+| Input Voltage Range | VIN | 1.8 | | 5.5 | V | | 5 |+| Output Voltage Range | VOUT | 1.8 | | 5.5 | V | | 5 |+| Junction Temperature (TJ) Range | TJ | -40 | | 125 | °C | | 5 |+| Ambient Temperature (TA) Range | TA | -40 | | 85 | °C | | 5 |+| Junction-to-Ambient Thermal Resistance | θJA | | 56 | | C/W | TSOT-23-8 (FC) | 5 |+| Junction-to-Case Thermal Resistance | θJC | | 28 | | C/W | TSOT-23-8 (FC) | 5 |+ ## CAD (KiCad official) - Symbol: `RT4812GJ8F`
page.json+368−1@@ -180,6 +180,373 @@ "Package": "TSOT-23-8", "Category": "Power Management (PMIC)", "Pins": "8"+ },+ "characteristics": {+ "version": 1,+ "source": "datasheet",+ "datasheet_sha256": "2ebb84194f552969",+ "rows": [+ {+ "name": "Supply Voltage",+ "symbol": "VIN",+ "kind": "electrical",+ "unit": "V",+ "min": 1.8,+ "typ": null,+ "max": 5.5,+ "conditions": "VIN vs VOUT, 0.2V margin (comparison operators lost in extraction)",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Output Voltage",+ "symbol": "VOUT",+ "kind": "electrical",+ "unit": "V",+ "min": 1.8,+ "typ": null,+ "max": 5.5,+ "conditions": "VIN vs VOUT, 0.2V margin (comparison operators lost in extraction)",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Under-Voltage Lockout Rising Threshold",+ "symbol": "UVLO_RISE",+ "kind": "electrical",+ "unit": "V",+ "min": 1.5,+ "typ": 1.65,+ "max": 1.8,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Under-Voltage Lockout Falling Threshold",+ "symbol": "UVLO_Falling",+ "kind": "electrical",+ "unit": "V",+ "min": 1.3,+ "typ": 1.55,+ "max": 1.7,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "FB Voltage",+ "symbol": "VFB",+ "kind": "electrical",+ "unit": "V",+ "min": 0.495,+ "typ": 0.5,+ "max": 0.505,+ "conditions": "Force PWM",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Regulated DC VOUT Voltage",+ "symbol": "VOUT",+ "kind": "electrical",+ "unit": "%",+ "min": 2,+ "typ": null,+ "max": 4,+ "conditions": "1.8 VIN VOUT 0.2V (comparison operators lost in extraction), IOUT = 0mA (PSM)",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Shutdown Current",+ "symbol": "ISHDN",+ "kind": "electrical",+ "unit": "μA",+ "min": null,+ "typ": 0.1,+ "max": 1,+ "conditions": "EN = 0V",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Average Output Current Limit",+ "symbol": "ILIM",+ "kind": "electrical",+ "unit": "A",+ "min": 1,+ "typ": null,+ "max": null,+ "conditions": "ILIM = L",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Average Output Current Limit",+ "symbol": "ILIM",+ "kind": "electrical",+ "unit": "A",+ "min": 2.1,+ "typ": null,+ "max": null,+ "conditions": "ILIM = H",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "FB Pin Input Leakage",+ "symbol": "IFB",+ "kind": "electrical",+ "unit": "μA",+ "min": -1,+ "typ": null,+ "max": 1,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Leakage of SW",+ "symbol": "ISW",+ "kind": "electrical",+ "unit": "μA",+ "min": null,+ "typ": null,+ "max": 5,+ "conditions": "All switch off",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Line Regulation",+ "symbol": "VOUT, LINE",+ "kind": "electrical",+ "unit": "%",+ "min": -2,+ "typ": null,+ "max": 2,+ "conditions": "VIN = 2.7V to 4.5V, VOUT = 5V, IOUT = 1500mA",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Load Regulation",+ "symbol": "VOUT, LOAD",+ "kind": "electrical",+ "unit": "%",+ "min": -1.5,+ "typ": null,+ "max": 1.5,+ "conditions": "CCM, IOUT 2A (operator lost in extraction), VIN = 3.6V, VOUT = 5V",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Output Over Voltage Protection",+ "symbol": "VOVP",+ "kind": "electrical",+ "unit": "V",+ "min": 5.8,+ "typ": 6,+ "max": 6.2,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "EN Input Low Voltage",+ "symbol": "VIL",+ "kind": "electrical",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": 0.4,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "EN Input High Voltage",+ "symbol": "VIH",+ "kind": "electrical",+ "unit": "V",+ "min": 1.2,+ "typ": null,+ "max": null,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "EN Sink Current",+ "symbol": "",+ "kind": "electrical",+ "unit": "μA",+ "min": null,+ "typ": 0.1,+ "max": 1,+ "conditions": "",+ "source_page": 6,+ "source": "datasheet"+ },+ {+ "name": "Input/Output Pin Voltage (VIN, FB, ILIM, EN, SW to GND)",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": -0.2,+ "typ": null,+ "max": 6,+ "conditions": "to GND",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "VOUT to GND",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "V",+ "min": null,+ "typ": null,+ "max": 6.2,+ "conditions": "to GND",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Power Dissipation",+ "symbol": "PD",+ "kind": "absolute_maximum",+ "unit": "W",+ "min": null,+ "typ": null,+ "max": 1.78,+ "conditions": "TSOT-23-8 (FC), TA = 25C",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Lead Temperature (Soldering)",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": null,+ "typ": null,+ "max": 260,+ "conditions": "10 sec. soldering",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Junction Temperature",+ "symbol": "TJ",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": -65,+ "typ": null,+ "max": 150,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Storage Temperature Range",+ "symbol": "TSTG",+ "kind": "absolute_maximum",+ "unit": "°C",+ "min": -65,+ "typ": null,+ "max": 150,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "ESD Susceptibility HBM",+ "symbol": "",+ "kind": "absolute_maximum",+ "unit": "kV",+ "min": null,+ "typ": null,+ "max": 2,+ "conditions": "HBM (Human Body Model)",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Input Voltage Range",+ "symbol": "VIN",+ "kind": "recommended_operating",+ "unit": "V",+ "min": 1.8,+ "typ": null,+ "max": 5.5,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Output Voltage Range",+ "symbol": "VOUT",+ "kind": "recommended_operating",+ "unit": "V",+ "min": 1.8,+ "typ": null,+ "max": 5.5,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Junction Temperature (TJ) Range",+ "symbol": "TJ",+ "kind": "recommended_operating",+ "unit": "°C",+ "min": -40,+ "typ": null,+ "max": 125,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Ambient Temperature (TA) Range",+ "symbol": "TA",+ "kind": "recommended_operating",+ "unit": "°C",+ "min": -40,+ "typ": null,+ "max": 85,+ "conditions": "",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Junction-to-Ambient Thermal Resistance",+ "symbol": "θJA",+ "kind": "thermal",+ "unit": "C/W",+ "min": null,+ "typ": 56,+ "max": null,+ "conditions": "TSOT-23-8 (FC)",+ "source_page": 5,+ "source": "datasheet"+ },+ {+ "name": "Junction-to-Case Thermal Resistance",+ "symbol": "θJC",+ "kind": "thermal",+ "unit": "C/W",+ "min": null,+ "typ": 28,+ "max": null,+ "conditions": "TSOT-23-8 (FC)",+ "source_page": 5,+ "source": "datasheet"+ }+ ] } }, "variants": [],@@ -221,4 +588,4 @@ "visibility": { "public": true }-}+}